81246824

素因数分解:

$2^3\times {\mathrm{101}}^1\times {\mathrm{193}}^1\times {\mathrm{521}}^1$

素因数の和:821

約数の個数: 32

約数和(自身を含む): 154940040

約数和(自身を除く): 73693216

約数列:

[1, 2, 4, 8, 101, 193, 202, 386, 404, 521, 772, 808, 1042, 1544, 2084, 4168, 19493, 38986, 52621, 77972, 100553, 105242, 155944, 201106, 210484, 402212, 420968, 804424, 10155853, 20311706, 40623412, 81246824]

約数ペア:

[(1, 81246824), (2, 40623412), (4, 20311706), (8, 10155853), (101, 804424), (193, 420968), (202, 402212), (386, 210484), (404, 201106), (521, 155944), (772, 105242), (808, 100553), (1042, 77972), (1544, 52621), (2084, 38986), (4168, 19493)]